131 lines
3.0 KiB
C
131 lines
3.0 KiB
C
#include "crypto_encode_857x1723.h"
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/* auto-generated; do not edit */
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#define int16 int16_t
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#define uint16 uint16_t
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#define uint32 uint32_t
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void PQCLEAN_SNTRUP857_CLEAN_crypto_encode_857x1723(unsigned char *out, const void *v) {
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const int16 *R0 = v;
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/* XXX: caller could overlap R with input */
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uint16 R[429];
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long i;
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uint16 r0, r1;
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uint32 r2;
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for (i = 0; i < 428; ++i) {
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r0 = (uint16) ((((R0[2 * i] + 2583) & 16383) * 10923) >> 15);
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r1 = (uint16) ((((R0[2 * i + 1] + 2583) & 16383) * 10923) >> 15);
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r2 = r0 + r1 * (uint32)1723;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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R[i] = (uint16) r2;
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}
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R[428] = (uint16) ((((R0[856] + 2583) & 16383) * 10923) >> 15);
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for (i = 0; i < 214; ++i) {
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r0 = R[2 * i];
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r1 = R[2 * i + 1];
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r2 = r0 + r1 * (uint32)11597;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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R[i] = (uint16) r2;
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}
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R[214] = R[428];
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for (i = 0; i < 107; ++i) {
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r0 = R[2 * i];
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r1 = R[2 * i + 1];
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r2 = r0 + r1 * (uint32)2053;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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R[i] = (uint16) r2;
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}
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R[107] = R[214];
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for (i = 0; i < 53; ++i) {
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r0 = R[2 * i];
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r1 = R[2 * i + 1];
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r2 = r0 + r1 * (uint32)65;
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R[i] = (uint16) r2;
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}
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r0 = R[106];
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r1 = R[107];
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r2 = r0 + r1 * (uint32)65;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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R[53] = (uint16) r2;
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for (i = 0; i < 26; ++i) {
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r0 = R[2 * i];
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r1 = R[2 * i + 1];
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r2 = r0 + r1 * (uint32)4225;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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R[i] = (uint16) r2;
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}
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r0 = R[52];
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r1 = R[53];
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r2 = r0 + r1 * (uint32)4225;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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R[26] = (uint16) r2;
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for (i = 0; i < 13; ++i) {
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r0 = R[2 * i];
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r1 = R[2 * i + 1];
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r2 = r0 + r1 * (uint32)273;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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R[i] = (uint16) r2;
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}
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R[13] = R[26];
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for (i = 0; i < 7; ++i) {
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r0 = R[2 * i];
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r1 = R[2 * i + 1];
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r2 = r0 + r1 * (uint32)292;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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R[i] = (uint16) r2;
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}
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for (i = 0; i < 3; ++i) {
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r0 = R[2 * i];
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r1 = R[2 * i + 1];
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r2 = r0 + r1 * (uint32)334;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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R[i] = (uint16) r2;
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}
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R[3] = R[6];
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for (i = 0; i < 2; ++i) {
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r0 = R[2 * i];
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r1 = R[2 * i + 1];
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r2 = r0 + r1 * (uint32)436;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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R[i] = (uint16) r2;
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}
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r0 = R[0];
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r1 = R[1];
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r2 = r0 + r1 * (uint32)743;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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*out++ = (unsigned char) r2;
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r2 >>= 8;
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R[0] = (uint16) r2;
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r0 = R[0];
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*out++ = (unsigned char) r0;
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}
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